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Waterfalls form where a river is flowing over hard rock lying on soft rock. The soft rock is eroded faster, so there is a step in the river which deepens over time. It is eroded by hydraulic action and ab...
Explain the concept of momentum mathematically, then draw on physical intuition to reaffirm/deepen their understandingDiscuss how there exists a relationship between the rate of change of momentum and for...
Start again by drawing the graph and then the translated graphExplain what is meant by a translation ( a movement of the graph )Use a table of values to show how we can change the function to allow for di...
The easiest way to understand the way that the heart works is to imagine a double pump with high pressure and low pressure tubing. One part of the pump is low pressure all the way, and that brings the blo...
number of moles = mass / molar massTherefore, n=20.82g/6.34gmol-1=3moles
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